On pericardiocentesis.
D001706:Biopsy / Q000009:adverse effects; D003937:Diagnosis, Differential; D004322:Drainage; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009026:Mortality; D010490:Pericardial Effusion; D010493:Pericarditis / Q000175:diagnosis